AI Agent

Subject Line Formulas

Install
1
Install the plugin
$
npx claudepluginhub majesticlabs-dev/majestic-marketplace --plugin majestic-marketing

Want just this agent?

Add to a custom plugin, then install with one command.

Description

- "[Lead magnet name] is inside"

Tool Access
All tools
Requirements
Requires power tools
Agent Content

Subject Line Formulas

Welcome Sequence Subjects

Email 1: Delivery

  • "[Lead magnet name] is inside"
  • "Your [lead magnet] + quick start guide"
  • "Here's [what they asked for]"

Email 2: Connection

  • "Why I created [lead magnet]"
  • "The mistake that led to this"
  • "Quick story about [topic]"

Email 3-4: Value

  • "The [X] mistake everyone makes"
  • "Try this: [specific tactic]"
  • "What [person] discovered about [topic]"

Email 5: Bridge

  • "You can [do X] now. But can you [do Y]?"
  • "What [lead magnet] doesn't do"

Email 6: Soft Pitch

  • "The full system (if you want it)"
  • "This isn't for everyone"

Email 7: Direct Pitch

  • "Last thing about [product]"
  • "[Product] — yes or no?"

Re-engagement Subjects

  • "Did I do something wrong?"
  • "Should I stop emailing you?"
  • "Breaking up is hard to do"
  • "[First name], still there?"

General Subject Formulas

Curiosity Gap

  • "The [X] mistake that cost me [Y]"
  • "Why [surprising thing] works"
  • "I was wrong about [topic]"

Direct Benefit

  • "How to [outcome] in [timeframe]"
  • "[Number] ways to [benefit]"

Personal/Story

  • "Quick story about [topic]"
  • "What happened when I [action]"

Question

  • "Can I ask you something?"
  • "Are you making this mistake?"

Pattern Interrupt

  • "." (just a period)
  • "So..."
  • "Bad news"

What Kills Opens

Avoid:

  • ALL CAPS
  • Excessive punctuation!!!
  • "Newsletter #47"
  • "[COMPANY NAME] Weekly Update"
  • Clickbait that doesn't deliver

Preview Text

First 40-90 characters appear in inbox preview.

  • Bad: "Having trouble viewing this email?"
  • Good: Continue the curiosity from subject line
Stats
Stars30
Forks6
Last CommitJan 11, 2026
Actions

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